1642054074 has 16 divisors (see below), whose sum is σ = 3293522400. Its totient is φ = 545782320.

The previous prime is 1642053971. The next prime is 1642054079. The reversal of 1642054074 is 4704502461.

It is not an unprimeable number, because it can be changed into a prime (1642054079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389992 + ... + 394179.

It is an arithmetic number, because the mean of its divisors is an integer number (205845150).

Almost surely, 2^1642054074 is an apocalyptic number.

1642054074 is an abundant number, since it is smaller than the sum of its proper divisors (1651468326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1642054074 is a wasteful number, since it uses less digits than its factorization.

1642054074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784525.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 1642054074 is about 40522.2663976239. The cubic root of 1642054074 is about 1179.7658431286.

The spelling of 1642054074 in words is "one billion, six hundred forty-two million, fifty-four thousand, seventy-four".